2781200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:444

約数の個数: 60

約数和(自身を含む): 7092180

約数和(自身を除く): 4310980

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 409, 425, 680, 818, 850, 1360, 1636, 1700, 2045, 3272, 3400, 4090, 6544, 6800, 6953, 8180, 10225, 13906, 16360, 20450, 27812, 32720, 34765, 40900, 55624, 69530, 81800, 111248, 139060, 163600, 173825, 278120, 347650, 556240, 695300, 1390600, 2781200]

約数ペア:

[(1, 2781200), (2, 1390600), (4, 695300), (5, 556240), (8, 347650), (10, 278120), (16, 173825), (17, 163600), (20, 139060), (25, 111248), (34, 81800), (40, 69530), (50, 55624), (68, 40900), (80, 34765), (85, 32720), (100, 27812), (136, 20450), (170, 16360), (200, 13906), (272, 10225), (340, 8180), (400, 6953), (409, 6800), (425, 6544), (680, 4090), (818, 3400), (850, 3272), (1360, 2045), (1636, 1700)]